*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.wap{
    background: #121212;
    padding: 0 50px;
    height: 100%;
    width: 100%;
}
.header{
    margin: 0 auto;
    text-align: center;
    width: 50%;
   position: relative;
    padding-bottom: 40px;
}
.header .con{
    padding-bottom: 30px;
}
.header .con::after {
    content: "";
    width: 150px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}
.header h1{
    color:#fff;
    padding: 5rem 0 2.5rem;
}
.header p{
    line-height: 30px;
    font-size: 23px;
    color:rgba(255, 255, 255, 0.4);
}
header .con::after {
    content: "";
    width: 150px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    position: absolute;
    bottom: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
}




.main .nav{
    overflow: hidden;
}
.main .n{
    float: left;
    width: 33.33333%;
}
.main .one-top{
    margin: 0 20px;
    transition: .15s;
    position: relative;
}
.main .one-top a{
    display: inline-block;
}
.main .one-top img{
    width: 100%;
    height: 250px;
}
.main .one-top a:before{
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    transition: all .2s;
    opacity: 0;
}
.main .one-top:hover a:before{
    opacity: 1;
}
.main .one-top a:after {
    content: "...";
    color: #fff;
    opacity: 0;
    font-size: 2rem;
    position: absolute;
    left: 47%;
    top: 35%;
    z-index: 99;
    transition: all .2s;
    transform: scale(.5);
}
.main .one-top:hover a:after{
    opacity: 1;
    transform: scale(1);
}
.main .one-botton{
    margin: 15px 20px;
    font-size: 30px;
    color: #CECECE;
}